80997903

素因数分解:

$3^2\times 7^1\times {\mathrm{919}}^1\times {\mathrm{1399}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 133952000

約数和(自身を除く): 52954097

約数列:

[1, 3, 7, 9, 21, 63, 919, 1399, 2757, 4197, 6433, 8271, 9793, 12591, 19299, 29379, 57897, 88137, 1285681, 3857043, 8999767, 11571129, 26999301, 80997903]

約数ペア:

[(1, 80997903), (3, 26999301), (7, 11571129), (9, 8999767), (21, 3857043), (63, 1285681), (919, 88137), (1399, 57897), (2757, 29379), (4197, 19299), (6433, 12591), (8271, 9793)]